
This I Promise You
Richard Marx wrote it for a girl group, rewrote the harmonies for five men, and topped adult contemporary thirteen weeks.

Richard Marx wrote it for a girl group, rewrote the harmonies for five men, and topped adult contemporary thirteen weeks.

Diplo and Switch wrapped a breakup song in dubstep, and a Microsoft browser ad made it a worldwide hit.

Babyface hummed a placeholder where the words should go, kept it, and watched the record debut at number one.

Linda Ronstadt produced it, and Neville's falsetto turns the Main Ingredient's 1972 consolation into something even gentler.

Grande recorded it first and disliked her take; Jessie J took over, Minaj added a verse, all three stayed.

A lyric lifted from Your Song put Elton John and Bernie Taupin on the credits of a self-made anthem.

Half-finished on the Hooligans tour, the melody landed once Mars saw an early cut of Breaking Dawn.

Two Pearce sisters and Viola Billups on a British label, a Northern soul classic that outlived its modest chart run.

Babyface wrote it for Luther Vandross, who declined; Mariah Carey sang backing and Kenny G played soprano sax.

Twenty-four hours to learn a Stevie Wonder ballad for MTV Unplugged, and K-Ci and JoJo owned it.

Nine layers of three-part harmony, twenty-seven voices in all, and every publishing royalty signed over to UNICEF.

Written out of a breakup and a Shakti Gawain self-help book, then re-released in Britain three times until it stuck.

Cut in Chicago with Leo Graham producing, Gerald Alston's lead vocal won the group their only Grammy.

JoJo Hailey wrote it thinking of his daughter, then kept it, and weddings have not let go since.

Berry Gordy's son signed to Motown without telling him, then got Michael Jackson to sing the chorus uncredited.

Vee-Jay released it in 1956 as doo-wop; the Dells recut it thirteen years later and reached the pop ten.

Five numbered steps, a half-step key lift for the final chorus, and eight weeks stuck behind Santana's Smooth.

Written for Gloria Estefan until Mottola heard the demo; Carey thought it schmaltzy and took it to number one.

Smith and Jimmy Napes wrote it about someone else's marriage, and Simon Hale's strings carry the slow march.